Crystal forms of astaxanthin
US7563935B2 · kind B2 · utility
1Cited by
8References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2008 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Feb 15, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C403/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Mixtures of specific crystal forms of astaxanthin and the individual crystal forms designated crystal Form I and II and disclosed together with methods for preparing said crystal Forms. Methods for preparing nutritional dosage forms including the disclosed astaxanthin crystal forms for the life science industry are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.